Блог Django Ошибка ProgrammingError/TemplateDoesNotExist

В настоящее время я делаю блог на django и получаю ошибки с моим кодом, когда пытаюсь войти в панель администратора суперпользователя и сделать пост. Когда я ввожу python runserver, я получаю ошибку.

Я последовал за ним: https://djangocentral.com/building-a-blog-application-with-django/

Если я пропустил какую-либо информацию, чтобы помочь мне решить эту проблему, спросите, и я предоставлю ее как можно скорее.

Ошибки

raise TemplateDoesNotExist(', '.join(template_name_list), chain=chain) django.template.exceptions.TemplateDoesNotExist: index.html, APP_project4/post_list.html

Когда я вхожу под именем суперпользователя и пытаюсь нажать Posts, я получаю ошибку: django.db.utils.ProgrammingError: relation "APP_project4_post" does not exist LINE 1: SELECT COUNT(*) AS "__count" FROM "APP_project4_post" ^

В папке APP views.py

from django.views import generic
from .models import Post

class PostList(generic.ListView):
    queryset = Post.objects.filter(status=1).order_by('-created_on')
    template_name = 'index.html'

class PostDetail(generic.DetailView):
    model = Post
    template_name = 'post_detail.html'

urls.py

from django.urls import path
from . import views
        
        
 urlpatterns = [
 path('', views.PostList.as_view(), name='home'),
 path('<slug:slug>/', views.PostDetail.as_view(), name='post_detail'),
    
    ] 

    

Models.py

from django.db import models
from django.contrib.auth.models import User


STATUS = (
    (0,"Draft"),
    (1,"Publish")
)
 
class Post(models.Model):
    title = models.CharField(max_length=200, unique=True)
    slug = models.SlugField(max_length=200, unique=True)
    author = models.ForeignKey(User, on_delete= models.CASCADE,related_name='blog_posts')
    updated_on = models.DateTimeField(auto_now= True)
    content = models.TextField()
    created_on = models.DateTimeField(auto_now_add=True)
    status = models.IntegerField(choices=STATUS, default=0)

    class Meta:
        ordering = ['-created_on']

    def __str__(self):
        return self.title

Admin.py

from django.contrib import admin
from .models import Post

class PostAdmin(admin.ModelAdmin):
    list_display = ('title', 'slug', 'status','created_on')
    list_filter = ("status",)
    search_fields = ['title', 'content']
    prepopulated_fields = {'slug': ('title',)}


admin.site.register(Post, PostAdmin)

В папке проекта:

wsgi.py

import os

from django.core.wsgi import get_wsgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'Project_4.settings')

application = get_wsgi_application() 

urls.py

from django.contrib import admin
from django.urls import path, include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include('APP_project4.urls')),
]

settings.py

asgi.py

import os

from django.core.asgi import get_asgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'Project_4.settings')

application = get_asgi_application()

base.html

index.html

{% extends "base.html" %}
{% block content %}
<style>
    body {
        font-family: "Roboto", sans-serif;
        font-size: 18px;
        background-color: #fdfdfd;
    }

    .head_text {
        color: white;
    }

    .card {
        box-shadow: 0 16px 48px #E3E7EB;
    }
</style>

<header class="masthead">
    <div class="overlay"></div>
    <div class="container">
        <div class="row">
            <div class=" col-md-8 col-md-10 mx-auto">
                <div class="site-heading">
                    <h3 class=" site-heading my-4 mt-3 text-white"> Welcome to my awesome Blog </h3>
                    <p class="text-light">We Love Django As much as you do..! &nbsp
                    </p>
                </div>
            </div>
        </div>
    </div>
</header>
<div class="container">
    <div class="row">
        <!-- Blog Entries Column -->
        <div class="col-md-8 mt-3 left">
            {% for post in post_list %}
            <div class="card mb-4">
                <div class="card-body">
                    <h2 class="card-title">{{ post.title }}</h2>
                    <p class="card-text text-muted h6">{{ post.author }} | {{ post.created_on}} </p>
                    <p class="card-text">{{post.content|slice:":200" }}</p>
                    <a href="{% url 'post_detail' post.slug  %}" class="btn btn-primary">Read More &rarr;</a>
                </div>
            </div>
            {% endfor %}
        </div>
        {% block sidebar %} {% include 'sidebar.html' %} {% endblock sidebar %}
    </div>
</div>
{%endblock%}

post_detail.html

{% extends 'base.html' %} {% block content %}

<div class="container">
  <div class="row">
    <div class="col-md-8 card mb-4  mt-3 left  top">
      <div class="card-body">
        <h1>{% block title %} {{ object.title }} {% endblock title %}</h1>
        <p class=" text-muted">{{ post.author }} | {{ post.created_on }}</p>
        <p class="card-text ">{{ object.content | safe }}</p>
      </div>
    </div>
    {% block sidebar %} {% include 'sidebar.html' %} {% endblock sidebar %}
  </div>
</div>

{% endblock content %}

sidebar.html

{% block sidebar %}

<style>
        .card{
            box-shadow: 0 16px 48px #E3E7EB;
        }

</style>

<!-- Sidebar Widgets Column -->
<div class="col-md-4 float-right ">
<div class="card my-4">
        <h5 class="card-header">About Us</h5>
    <div class="card-body">
        <p class="card-text"> This awesome blog is made on the top of our Favourite full stack Framework 'Django', follow up the tutorial to learn how we made it..!</p>
        <a href="https://djangocentral.com/building-a-blog-application-with-django"
           class="btn btn-danger">Know more!</a>
    </div>
</div>
</div>

{% endblock sidebar %}



   















                                      

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